qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
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smmu.py (4492B)

      1 # SMMUv3 Functional tests
      2 #
      3 # Copyright (c) 2021 Red Hat, Inc.
      4 #
      5 # Author:
      6 #  Eric Auger <eric.auger@redhat.com>
      7 #
      8 # This work is licensed under the terms of the GNU GPL, version 2 or
      9 # later.  See the COPYING file in the top-level directory.
     10 import os
     11 
     12 from avocado import skipIf
     13 from avocado_qemu import LinuxTest, BUILD_DIR
     14 
     15 @skipIf(os.getenv('GITLAB_CI'), 'Running on GitLab')
     16 class SMMU(LinuxTest):
     17     """
     18     :avocado: tags=accel:kvm
     19     :avocado: tags=cpu:host
     20     :avocado: tags=arch:aarch64
     21     :avocado: tags=machine:virt
     22     :avocado: tags=distro:fedora
     23     :avocado: tags=smmu
     24     """
     25 
     26     IOMMU_ADDON = ',iommu_platform=on,disable-modern=off,disable-legacy=on'
     27     kernel_path = None
     28     initrd_path = None
     29     kernel_params = None
     30 
     31     def set_up_boot(self):
     32         path = self.download_boot()
     33         self.vm.add_args('-device', 'virtio-blk-pci,bus=pcie.0,scsi=off,' +
     34                          'drive=drv0,id=virtio-disk0,bootindex=1,'
     35                          'werror=stop,rerror=stop' + self.IOMMU_ADDON)
     36         self.vm.add_args('-drive',
     37                          'file=%s,if=none,cache=writethrough,id=drv0' % path)
     38 
     39     def setUp(self):
     40         super(SMMU, self).setUp(None, 'virtio-net-pci' + self.IOMMU_ADDON)
     41 
     42     def common_vm_setup(self, custom_kernel=False):
     43         self.require_accelerator("kvm")
     44         self.vm.add_args("-accel", "kvm")
     45         self.vm.add_args("-cpu", "host")
     46         self.vm.add_args("-machine", "iommu=smmuv3")
     47         self.vm.add_args("-d", "guest_errors")
     48         self.vm.add_args('-bios', os.path.join(BUILD_DIR, 'pc-bios',
     49                          'edk2-aarch64-code.fd'))
     50         self.vm.add_args('-device', 'virtio-rng-pci,rng=rng0')
     51         self.vm.add_args('-object',
     52                          'rng-random,id=rng0,filename=/dev/urandom')
     53 
     54         if custom_kernel is False:
     55             return
     56 
     57         kernel_url = self.distro.pxeboot_url + 'vmlinuz'
     58         initrd_url = self.distro.pxeboot_url + 'initrd.img'
     59         self.kernel_path = self.fetch_asset(kernel_url)
     60         self.initrd_path = self.fetch_asset(initrd_url)
     61 
     62     def run_and_check(self):
     63         if self.kernel_path:
     64             self.vm.add_args('-kernel', self.kernel_path,
     65                              '-append', self.kernel_params,
     66                              '-initrd', self.initrd_path)
     67         self.launch_and_wait()
     68         self.ssh_command('cat /proc/cmdline')
     69         self.ssh_command('dnf -y install numactl-devel')
     70 
     71 
     72     # 5.3 kernel without RIL #
     73 
     74     def test_smmu_noril(self):
     75         """
     76         :avocado: tags=smmu_noril
     77         :avocado: tags=smmu_noril_tests
     78         :avocado: tags=distro_version:31
     79         """
     80         self.common_vm_setup()
     81         self.run_and_check()
     82 
     83     def test_smmu_noril_passthrough(self):
     84         """
     85         :avocado: tags=smmu_noril_passthrough
     86         :avocado: tags=smmu_noril_tests
     87         :avocado: tags=distro_version:31
     88         """
     89         self.common_vm_setup(True)
     90         self.kernel_params = (self.distro.default_kernel_params +
     91                               ' iommu.passthrough=on')
     92         self.run_and_check()
     93 
     94     def test_smmu_noril_nostrict(self):
     95         """
     96         :avocado: tags=smmu_noril_nostrict
     97         :avocado: tags=smmu_noril_tests
     98         :avocado: tags=distro_version:31
     99         """
    100         self.common_vm_setup(True)
    101         self.kernel_params = (self.distro.default_kernel_params +
    102                               ' iommu.strict=0')
    103         self.run_and_check()
    104 
    105     # 5.8 kernel featuring range invalidation
    106     # >= v5.7 kernel
    107 
    108     def test_smmu_ril(self):
    109         """
    110         :avocado: tags=smmu_ril
    111         :avocado: tags=smmu_ril_tests
    112         :avocado: tags=distro_version:33
    113         """
    114         self.common_vm_setup()
    115         self.run_and_check()
    116 
    117     def test_smmu_ril_passthrough(self):
    118         """
    119         :avocado: tags=smmu_ril_passthrough
    120         :avocado: tags=smmu_ril_tests
    121         :avocado: tags=distro_version:33
    122         """
    123         self.common_vm_setup(True)
    124         self.kernel_params = (self.distro.default_kernel_params +
    125                               ' iommu.passthrough=on')
    126         self.run_and_check()
    127 
    128     def test_smmu_ril_nostrict(self):
    129         """
    130         :avocado: tags=smmu_ril_nostrict
    131         :avocado: tags=smmu_ril_tests
    132         :avocado: tags=distro_version:33
    133         """
    134         self.common_vm_setup(True)
    135         self.kernel_params = (self.distro.default_kernel_params +
    136                               ' iommu.strict=0')
    137         self.run_and_check()